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If a,b, are two vectors of lengths 2,1 r...

If a,b, are two vectors of lengths 2,1 respectively and |a - b| = `sqrt(3)` then (a,b) =

A

`pi//4`

B

`pi //6`

C

`pi //3`

D

`pi //2`

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PRODUCTS OF VECTORS-Exercise 1A
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  7. If a,b,c are three vectors such that a + b + c = 0, |a| = 1, |b| = 2, ...

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  8. If a,b,c are mutally perpendicular unit vectors, then |a + b + c| =

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  9. If A.(B+ C) = B. (C + A) = C. (A + B) = 0, |A| = 3, |B| = 4, |C| = 5 t...

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  11. Let u,v,w be such that |u| = 1, |v| = 2, |w| = 3. If the projection v ...

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